214981092 has 36 divisors (see below), whose sum is σ = 567053760. Its totient is φ = 68544432.

The previous prime is 214981057. The next prime is 214981103. The reversal of 214981092 is 290189412.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128992 + ... + 130647.

Almost surely, 2^214981092 is an apocalyptic number.

It is an amenable number.

214981092 is an abundant number, since it is smaller than the sum of its proper divisors (352072668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214981092 is a wasteful number, since it uses less digits than its factorization.

214981092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259672 (or 259667 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 214981092 is about 14662.2335269904. The cubic root of 214981092 is about 599.0550793227.

The spelling of 214981092 in words is "two hundred fourteen million, nine hundred eighty-one thousand, ninety-two".